replace elseif with else to fix the issue blocking creation of release apks

Author: isambitpujari

AddQtAndroidApk.cmake

@@ -279,7 +279,7 @@ macro(add_qt_android_apk TARGET SOURCE_TARGET)
     # determine the build type to pass to androiddeployqt
     if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug" AND NOT ARG_KEYSTORE)
         set(QT_ANDROID_BUILD_TYPE --debug)
-    elseif()
+    else()
         set(QT_ANDROID_BUILD_TYPE --release)
     endif()